This effect-related article is a stub. You can help by expanding it according to the style guide. Effect details Grentch Form Campaign: Core Type: Disguise Consumable: Mischievous Tonic For 50 minutes, you look like a Grentch. Concise: (50 minutes.) You look like a Grentch. Retrieved from "https://guildwars.fandom.com/wiki/Grentch_Form?oldid=1603316" Categories: Effect stubsCore effectsConsumable effectsDisguises Community content is available under CC-BY-NC-SA unless otherwise noted.